Michelle is picking up sandwich ingredients at the grocery store. She goes to the deli counter and finds roast beef for $10.00 per pound and cheddar cheese for $11.25 per pound. She buys some of each and walks away with 1.5 pounds of meat and cheese costing a total of $16.25. How many pounds of each ingredient did Michelle buy? Michelle bought| pounds of roast beef and pounds of cheddar cheese.